﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;

namespace Xceed.Silverlight.Data
{
  internal class MoveAndFetchAsyncResult : AsyncResult, IMoveAndFetchAsyncResult
  {
    internal MoveAndFetchAsyncResult(
      Guid callId,
      AsyncCallback userCallback,
      object asyncState,
      bool approximateMove,
      long expectedMoveCount,
      int expectedFetchCount )
      : base( callId,
      userCallback,
      asyncState)
    {
      this.ApproximateMove = approximateMove;
      this.ExpectedMoveCount = expectedMoveCount;
      this.ExpectedFetchCount = expectedFetchCount;
    }

    public bool ApproximateMove
    {
      get;
      private set;
    }

    public long ExpectedMoveCount
    {
      get;
      private set;
    }

    public int ExpectedFetchCount
    {
      get;
      private set;
    }

#if DEBUG
    public override string ToString()
    {
      string debugSourcePosition =
        ( this is JumpMoveAndFetchAsyncResult )
        ? ( ( JumpMoveAndFetchAsyncResult )this ).SourcePosition.ToString()
        : "CURRENT";

      return string.Format(
        "Source={0}, ExMove={1}, ExFetch={2}",
        debugSourcePosition, this.ExpectedMoveCount, this.ExpectedFetchCount );
      ;
    }
#endif  //DEBUG
  }
}
